Redmond, Oregon has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 33.7 °F (low) to 62.3 °F (high). Annual precipitation averages 8.7 Inches. Redmond is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.8 °F | 43.3 °F | 0.97 in. |
| February | 25.0 °F | 46.7 °F | 0.79 in. |
| March | 27.4 °F | 53.4 °F | 0.73 in. |
| April | 30.3 °F | 58.7 °F | 0.73 in. |
| May | 36.8 °F | 67.4 °F | 0.97 in. |
| June | 41.8 °F | 74.9 °F | 0.66 in. |
| July | 47.3 °F | 85.3 °F | 0.38 in. |
| August | 46.6 °F | 84.9 °F | 0.37 in. |
| September | 40.1 °F | 76.7 °F | 0.3 in. |
| October | 32.8 °F | 63.7 °F | 0.62 in. |
| November | 27.6 °F | 50.1 °F | 0.87 in. |
| December | 23.4 °F | 41.9 °F | 1.32 in. |
| Annual | 33.7 °F | 62.3 °F | 8.71 in. |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |